What We Did Before
Imagine a world without refrigeration. Before early technology, food preservation was a challenge. So what did our early ancestors do before fridges were invented? And why were early fridges feared, rather than celebrated? Chapters (00:51) The early days of food preservation (06:19) Cooling with nature's help (07:47) The ice trade and urbanisation (08:52) The advent of electric refrigeration (12:43) Cultural and environmental impacts (13:27) Inventing the tin can
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